[INFO] cloning repository https://github.com/iykekings/rustgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iykekings/rustgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frustgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frustgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ac5288ffcfaf54c9595de21ae5f42a107794c2b
[INFO] checking iykekings/rustgrep against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frustgrep" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iykekings/rustgrep on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iykekings/rustgrep
[INFO] finished tweaking git repo https://github.com/iykekings/rustgrep
[INFO] tweaked toml for git repo https://github.com/iykekings/rustgrep written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/iykekings/rustgrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea55ba9a2f0c25ed7b8c9eab929dca76d47bd53e4c8fca22eb55bc882705972f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea55ba9a2f0c25ed7b8c9eab929dca76d47bd53e4c8fca22eb55bc882705972f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea55ba9a2f0c25ed7b8c9eab929dca76d47bd53e4c8fca22eb55bc882705972f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea55ba9a2f0c25ed7b8c9eab929dca76d47bd53e4c8fca22eb55bc882705972f", kill_on_drop: false }`
[INFO] [stdout] ea55ba9a2f0c25ed7b8c9eab929dca76d47bd53e4c8fca22eb55bc882705972f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f98a0bc0b1410cbd2feaf2fb8853ae0026a1d84a8b6822e3e8ecca97f4f8bcdc
[INFO] running `Command { std: "docker" "start" "-a" "f98a0bc0b1410cbd2feaf2fb8853ae0026a1d84a8b6822e3e8ecca97f4f8bcdc", kill_on_drop: false }`
[INFO] [stderr]     Checking rustgrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f98a0bc0b1410cbd2feaf2fb8853ae0026a1d84a8b6822e3e8ecca97f4f8bcdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98a0bc0b1410cbd2feaf2fb8853ae0026a1d84a8b6822e3e8ecca97f4f8bcdc", kill_on_drop: false }`
[INFO] [stdout] f98a0bc0b1410cbd2feaf2fb8853ae0026a1d84a8b6822e3e8ecca97f4f8bcdc